com.aspectran.core.util

Class ResourceUtils

java.lang.Object

com.aspectran.core.util.ResourceUtils

public class ResourceUtils
extends Object

A class to simplify access to ResourceUtils through the classloader.

Field Summary

Fields

Modifier and Type	Field and Description
static String	CLASSPATH_URL_PREFIX
static String	FILE_URL_PREFIX
static String	JAR_FILE_SUFFIX
static String	JAR_URL_PREFIX
static String	JAR_URL_SEPARATOR
static String	PATH_SPEPARATOR
static char	PATH_SPEPARATOR_CHAR
static String	URL_PROTOCOL_CODE_SOURCE
static String	URL_PROTOCOL_FILE
static String	URL_PROTOCOL_JAR
static String	URL_PROTOCOL_VFSZIP
static String	URL_PROTOCOL_WSJAR
static String	URL_PROTOCOL_ZIP
static String	ZIP_FILE_SUFFIX

Constructor Summary

Constructors

Constructor and Description
ResourceUtils()

Method Summary

Modifier and Type	Method and Description
static URL	extractJarFileURL(URL jarUrl)
static File	getFile(String resourceLocation, ClassLoader classLoader)
static File	getFile(URI resourceUri)
static File	getFile(URI resourceUri, String description)
static File	getFile(URL resourceUrl)
static File	getFile(URL resourceUrl, String description)
static Reader	getReader(File file, String encoding) Returns a Reader for reading the specified file.
static Reader	getReader(URL url, String encoding) Returns a Reader for reading the specified url.
static InputStream	getResourceAsStream(String resource, ClassLoader classLoader) Returns a resource on the classpath as a Stream object.
static URL	getResourceURL(String resource, ClassLoader loader) Returns the URL of the resource on the classpath.
static URL	getURL(String resourceLocation, ClassLoader classLoader)
static boolean	isJarSimilarURL(URL url)
static boolean	isJarURL(URL url)
static boolean	isUrl(String resourceLocation)
static String	read(File file, String encoding) Returns a string from the specified file.
static String	read(Reader reader) Returns a string from the specified Reader object.
static String	read(URL url, String encoding) Returns a string from the specified url.
static URI	toURI(String location)
static URI	toURI(URL url)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

CLASSPATH_URL_PREFIX

public static final String CLASSPATH_URL_PREFIX

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Constant Field Values

FILE_URL_PREFIX

public static final String FILE_URL_PREFIX

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Constant Field Values

JAR_URL_PREFIX

public static final String JAR_URL_PREFIX

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Constant Field Values

JAR_FILE_SUFFIX

public static final String JAR_FILE_SUFFIX

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Constant Field Values

ZIP_FILE_SUFFIX

public static final String ZIP_FILE_SUFFIX

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Constant Field Values

URL_PROTOCOL_FILE

public static final String URL_PROTOCOL_FILE

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Constant Field Values

URL_PROTOCOL_JAR

public static final String URL_PROTOCOL_JAR

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Constant Field Values

URL_PROTOCOL_ZIP

public static final String URL_PROTOCOL_ZIP

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Constant Field Values

URL_PROTOCOL_VFSZIP

public static final String URL_PROTOCOL_VFSZIP

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Constant Field Values

URL_PROTOCOL_WSJAR

public static final String URL_PROTOCOL_WSJAR

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Constant Field Values

URL_PROTOCOL_CODE_SOURCE

public static final String URL_PROTOCOL_CODE_SOURCE

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Constant Field Values

JAR_URL_SEPARATOR

public static final String JAR_URL_SEPARATOR

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Constant Field Values

PATH_SPEPARATOR

public static final String PATH_SPEPARATOR

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Constant Field Values

PATH_SPEPARATOR_CHAR

public static final char PATH_SPEPARATOR_CHAR

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Constant Field Values

Constructor Detail

ResourceUtils

public ResourceUtils()

Method Detail

isUrl

public static boolean isUrl(String resourceLocation)

getURL

public static URL getURL(String resourceLocation,
                         ClassLoader classLoader)
                  throws FileNotFoundException

Throws:

FileNotFoundException

getFile

public static File getFile(String resourceLocation,
                           ClassLoader classLoader)
                    throws FileNotFoundException

Throws:

FileNotFoundException

getFile

public static File getFile(URL resourceUrl)
                    throws FileNotFoundException

Throws:

FileNotFoundException

getFile

public static File getFile(URL resourceUrl,
                           String description)
                    throws FileNotFoundException

Throws:

FileNotFoundException

getFile

public static File getFile(URI resourceUri)
                    throws FileNotFoundException

Throws:

FileNotFoundException

getFile

public static File getFile(URI resourceUri,
                           String description)
                    throws FileNotFoundException

Throws:

FileNotFoundException

isJarURL

public static boolean isJarURL(URL url)

isJarSimilarURL

public static boolean isJarSimilarURL(URL url)

extractJarFileURL

public static URL extractJarFileURL(URL jarUrl)
                             throws MalformedURLException

Throws:

MalformedURLException

toURI

public static URI toURI(URL url)
                 throws URISyntaxException

Throws:

URISyntaxException

toURI

public static URI toURI(String location)
                 throws URISyntaxException

Throws:

URISyntaxException

getResourceURL

public static URL getResourceURL(String resource,
                                 ClassLoader loader)
                          throws IOException

Returns the URL of the resource on the classpath.

Parameters:

loader - The classloader used to load the resource

resource - The resource to find

Returns:

The resource

Throws:

IOException - If the resource cannot be found or read

getResourceAsStream

public static InputStream getResourceAsStream(String resource,
                                              ClassLoader classLoader)
                                       throws IOException

Returns a resource on the classpath as a Stream object.

Parameters:

resource - The resource to find

classLoader - the class loader

Returns:

The resource

Throws:

IOException - If the resource cannot be found or read

getReader

public static Reader getReader(File file,
                               String encoding)
                        throws IOException

Returns a Reader for reading the specified file.

Parameters:

file - the file

encoding - the encoding

Returns:

the reader instance

Throws:

IOException - if an error occurred when reading resources using any I/O operations

getReader

public static Reader getReader(URL url,
                               String encoding)
                        throws IOException

Returns a Reader for reading the specified url.

Parameters:

url - the url

encoding - the encoding

Returns:

the reader instance

Throws:

IOException - if an error occurred when reading resources using any I/O operations

read

public static String read(File file,
                          String encoding)
                   throws IOException

Returns a string from the specified file.

Parameters:

file - the file

encoding - the encoding

Returns:

the reader instance

Throws:

IOException - if an error occurred when reading resources using any I/O operations

read

public static String read(URL url,
                          String encoding)
                   throws IOException

Returns a string from the specified url.

Parameters:

url - the url

encoding - the encoding

Returns:

the string

Throws:

IOException - if an error occurred when reading resources using any I/O operations

read

public static String read(Reader reader)
                   throws IOException

Returns a string from the specified Reader object.

Parameters:

reader - the reader

Returns:

the string

Throws:

IOException - if an error occurred when reading resources using any I/O operations